Multiple fixed-position film centerwinder and method for winding web material
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United States of America Patent
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Mar 28, 2006
Issued Date -
N/A
app pub date -
Apr 1, 2004
filing date -
Apr 20, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is a centerwinder for receiving and winding web material sequentially on one of at least two fixed shafts. The two or more shafts are desirably positioned vertically to one another in a stationary structure and eliminate the need for a powered turret assembly. A lay-on roll assembly can be used that pivots in and out as well as up and down for serving the respective shaft locations. A cylinder linkage provides the same or constant force against the winding roll on either the upper or the lower shaft. Transfer rolls in desirable embodiments are automatically pivoted into the proper position for a fully automatic transfer or to assist the operator during a manual cut and transfer.
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